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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2008 Sean Nelson <snelson@nmt.edu>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <arch/io.h>
#include <device/device.h>
#include <device/pnp.h>
#include <console/console.h>
#include <string.h>
#include <lib.h>
#include <uart8250.h>
#include <pc80/mc146818rtc.h>
#include <stdlib.h>
#include "chip.h"
#include "w83697hf.h"
static void pnp_enter_ext_func_mode(device_t dev)
{
outb(0x87, dev->path.pnp.port);
outb(0x87, dev->path.pnp.port);
}
static void pnp_exit_ext_func_mode(device_t dev)
{
outb(0xaa, dev->path.pnp.port);
}
static void hwmon_set_fan_divisor(unsigned int base, int num, unsigned int divisor) {
unsigned char enc, buf;
if (divisor) {
enc = log2(divisor);
if (1 << enc != divisor || enc > 7)
die("invalid fan divisor");
outb(0x4e, base + 5);
outb(0x00, base + 6);
outb(0x47, base + 5);
outb((inb(base + 6) & ~(0x30 << (num * 2))) | ((enc & 3) << (4 + num * 2)), base + 6);
outb(0x5d, base + 5);
buf = inb(base + 6);
/* the above inb() auto-increments the address pointer ... */
outb(0x5d, base + 5);
outb((buf & ~(0x20 << num)) | ((enc & 4) << (3 + num)), base + 6);
}
}
static void w83697hf_init(device_t dev)
{
struct resource *res0;
struct superio_winbond_w83697hf_config *cfg;
if (!dev->enabled)
return;
cfg = dev->chip_info;
switch (dev->path.pnp.device) {
case W83697HF_HWM:
if (cfg) {
res0 = find_resource(dev, PNP_IDX_IO0);
hwmon_set_fan_divisor(res0->base, 0, cfg->hwmon_fan1_divisor);
hwmon_set_fan_divisor(res0->base, 1, cfg->hwmon_fan2_divisor);
}
break;
}
}
static const struct pnp_mode_ops pnp_conf_mode_ops = {
.enter_conf_mode = pnp_enter_ext_func_mode,
.exit_conf_mode = pnp_exit_ext_func_mode,
};
static struct device_operations ops = {
.read_resources = pnp_read_resources,
.set_resources = pnp_set_resources,
.enable_resources = pnp_enable_resources,
.enable = pnp_alt_enable,
.init = w83697hf_init,
.ops_pnp_mode = &pnp_conf_mode_ops,
};
static struct pnp_info pnp_dev_info[] = {
{ &ops, W83697HF_FDC, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, {0x07f8, 0}, },
{ &ops, W83697HF_PP, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, {0x07f8, 0}, },
{ &ops, W83697HF_SP1, PNP_IO0 | PNP_IRQ0, {0x07f8, 0}, },
{ &ops, W83697HF_SP2, PNP_IO0 | PNP_IRQ0, {0x07f8, 0}, },
{ &ops, W83697HF_CIR, PNP_IO0 | PNP_IRQ0, {0x07f8, 0}, },
{ &ops, W83697HF_GAME_GPIO1, PNP_IO0 | PNP_IO1 | PNP_IRQ0, {0x07ff, 0}, {0x07fe, 4}, },
{ &ops, W83697HF_MIDI_GPIO5, },
{ &ops, W83697HF_GPIO234, },
{ &ops, W83697HF_ACPI, },
{ &ops, W83697HF_HWM, PNP_IO0 | PNP_IRQ0, {0x0ff8, 0}, },
};
static void enable_dev(struct device *dev)
{
pnp_enable_devices(dev, &ops, ARRAY_SIZE(pnp_dev_info), pnp_dev_info);
}
struct chip_operations superio_winbond_w83697hf_ops = {
CHIP_NAME("Winbond W83697HF Super I/O")
.enable_dev = enable_dev,
};
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